janelu9 opened a new issue #8065: Help? when I go on training a language model, errors occured URL: https://github.com/apache/incubator-mxnet/issues/8065 my model: import mxnet as mx import numpy as np from word2vec_io import BucketSentenceIter import pickle as pk sym, arg_params, aux_params = mx.model.load_checkpoint('output/5_gram', 10) def Perplexity(label, pred): label = label.T.reshape((-1,)) loss = 0. for i in range(pred.shape[0]): loss += -np.log(max(1e-10, pred[i][int(label[i])])) return np.exp(loss / label.size) N=5 batch_size=64 data=pk.load(open('.//data//train.pkl','r')) data=[i[0] for i in data] data_val=pk.load(open('.//data//test.pkl','r')) data_val=[i[0] for i in data_val] train=BucketSentenceIter(data,batch_size,N) val=BucketSentenceIter(data_val,batch_size,N) devs = [mx.gpu(i) for i in range(1)] mod = mx.mod.Module(symbol=sym, context=devs) mod.fit(train, val, num_epoch=8, arg_params=arg_params, aux_params=aux_params, epoch_end_callback=mx.callback.do_checkpoint("./output/5_2gram"), eval_metric = mx.metric.np(Perplexity)) `Traceback (most recent call last): File "<ipython-input-20-b8878605d082>", line 8, in <module> eval_metric = mx.metric.np(Perplexity)) File "D:\ProgramData\Anaconda2\lib\site-packages\mxnet-0.9.5-py2.7.egg\mxnet\module\base_module.py", line 472, in fit self.forward_backward(data_batch) File "D:\ProgramData\Anaconda2\lib\site-packages\mxnet-0.9.5-py2.7.egg\mxnet\module\base_module.py", line 193, in forward_backward self.forward(data_batch, is_train=True) File "D:\ProgramData\Anaconda2\lib\site-packages\mxnet-0.9.5-py2.7.egg\mxnet\module\module.py", line 538, in forward self._exec_group.forward(data_batch, is_train) File "D:\ProgramData\Anaconda2\lib\site-packages\mxnet-0.9.5-py2.7.egg\mxnet\module\executor_group.py", line 369, in forward _load_data(data_batch, self.data_arrays, self.data_layouts) File "D:\ProgramData\Anaconda2\lib\site-packages\mxnet-0.9.5-py2.7.egg\mxnet\module\executor_group.py", line 45, in _load_data _load_general(batch.data, targets, major_axis) File "D:\ProgramData\Anaconda2\lib\site-packages\mxnet-0.9.5-py2.7.egg\mxnet\module\executor_group.py", line 37, in _load_general d_dst_copy.copyto(d_dst) File "D:\ProgramData\Anaconda2\lib\site-packages\mxnet-0.9.5-py2.7.egg\mxnet\ndarray.py", line 819, in copyto return _internal._copyto(self, out=other) File "<string>", line 31, in _copyto File "D:\ProgramData\Anaconda2\lib\site-packages\mxnet-0.9.5-py2.7.egg\mxnet\base.py", line 83, in check_call raise MXNetError(py_str(_LIB.MXGetLastError())) MXNetError: [11:02:43] E:\Mxnet\mxnet-0.9.5\src\ndarray\ndarray.cc:239: Check failed: from.shape() == to->shape() operands shape mismatchfrom.shape = (64,9) to.shape=(64,33)` ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: [email protected]
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